W2_5180_5240
.chan11a = BM3(W2_5180_5240, F2_5260_5320, F2_5500_5700),
.chan11a = BM2(W2_5180_5240, F2_5260_5320),
W2_5180_5240,
.chan11a = BM3(W1_5260_5320, W2_5180_5240, F6_5745_5825),
#define W2_5825_5825 AFTER(W2_5180_5240)